The Abacus - How to Use This Ancient Wonder
Ever wonder about the abacus? This venerable classic is surprisingly easy to use. Check out this brief demo!
Sunday 25 July 2010
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Hannan's blog - live in Lancaster. Love Football, Math and Chess. Love to play on Nintendo DS and PlayStation 2. Love food and love to drink Mango juice drink. Love playing snow ball throwing. snow, snow, snow now in Lancaster....
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